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authorConstantin Jucovschi <cj@ubuntu.localdomain>2009-04-24 07:20:22 -0400
committerConstantin Jucovschi <cj@ubuntu.localdomain>2009-04-24 07:20:22 -0400
commit8f27e65bddd7d4b8515ce620fb485fdd78fcdf89 (patch)
treebd328a4dd4f92d32202241b5e3a7f36177792c5f /network/akgnet_socket.cc
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Initial commitv8.0
Diffstat (limited to 'network/akgnet_socket.cc')
-rw-r--r--network/akgnet_socket.cc174
1 files changed, 174 insertions, 0 deletions
diff --git a/network/akgnet_socket.cc b/network/akgnet_socket.cc
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+/*
+* This file is part of rasdaman community.
+*
+* Rasdaman community is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* Rasdaman community is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with rasdaman community. If not, see <http://www.gnu.org/licenses/>.
+*
+* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
+rasdaman GmbH.
+*
+* For more information please see <http://www.rasdaman.org>
+* or contact Peter Baumann via <baumann@rasdaman.com>.
+/
+/**
+ * SOURCE: akgnet_socket.cc
+ *
+ * MODULE: akg network
+ * CLASS: Socket, ListenSocket, ServerSocket, ClientSocket
+ *
+ * COMMENTS:
+ *
+ */
+
+#include <assert.h>
+#include <akgnet_socket.hh>
+
+akg::Socket::Socket() throw()
+ {
+ }
+
+bool akg::Socket::createTcpSocket() throw()
+ {
+ struct protoent *getprotoptr = getprotobyname("tcp");
+ fileDescriptor= socket(PF_INET,SOCK_STREAM,getprotoptr->p_proto);
+ if(fileDescriptor<0)
+ { saveErrno();return false;}
+ return true;
+ }
+
+akg::SocketAddress akg::Socket::getAddress() throw()
+ {
+ akgSocklen_t size = sizeof(sockaddr_in);
+ sockaddr_in buffer;
+
+ getsockname(fileDescriptor, (sockaddr*)&buffer,&size);
+
+ return SocketAddress(buffer);
+ }
+
+akg::SocketAddress akg::Socket::getPeerAddress() throw()
+ {
+ akgSocklen_t size = sizeof(sockaddr_in);
+ sockaddr_in buffer;
+
+ int rasp=getpeername(fileDescriptor, (sockaddr*)&buffer,&size);
+ saveErrno();
+ return rasp != -1 ? SocketAddress(buffer) : SocketAddress();
+ }
+
+//###########################################################
+
+akg::ListenSocket::ListenSocket() throw()
+ {
+ queuesize = SOMAXCONN;
+ }
+
+akg::ListenSocket::~ListenSocket() throw()
+ {
+ }
+
+bool akg::ListenSocket::open(int port) throw()
+ {
+ close();
+ if(createTcpSocket() == false) return false;
+
+ struct sockaddr_in internetAddress;
+ internetAddress.sin_family = AF_INET;
+ internetAddress.sin_port = htons(port);
+ internetAddress.sin_addr.s_addr= htonl(INADDR_ANY);
+
+#ifdef SO_REUSEADDR
+ int val = 1;
+ int len = sizeof( val );
+ if(setsockopt( fileDescriptor, SOL_SOCKET, SO_REUSEADDR, (char*)&val, len ))
+ {
+ DBTALK("Can't set address reusable: "<<strerror(errno));
+ }
+#endif
+
+ if(bind(fileDescriptor,(sockaddr*)&internetAddress,sizeof(sockaddr_in)) <0)
+ { saveErrno();return false;}
+
+ if(listen(fileDescriptor,queuesize) < 0)
+ { saveErrno();return false;}
+
+ return true;
+ }
+
+void akg::ListenSocket::setQueueSize(int newSize) throw()
+ {
+ assert(newSize > 0);
+ queuesize = newSize < SOMAXCONN ? newSize : SOMAXCONN;
+ }
+
+int akg::ListenSocket::getQueueSize() throw()
+ { return queuesize;
+ }
+
+
+//###########################################################
+akg::ServerSocket::ServerSocket() throw()
+ {
+ }
+
+akg::ServerSocket::~ServerSocket() throw()
+ {
+ }
+
+bool akg::ServerSocket::acceptFrom(ListenSocket& listenSocket) throw()
+ {
+ close();
+ struct sockaddr_in internetAddress;
+ akgSocklen_t size=sizeof(sockaddr_in);
+
+ savedErrno = 0;
+ fileDescriptor=accept(listenSocket(),(struct sockaddr*)&internetAddress,&size);
+ if(fileDescriptor < 0) { saveErrno();return false;}
+
+ return true;
+ }
+
+//###########################################################
+
+akg::ClientSocket::ClientSocket() throw()
+ {
+ }
+akg::ClientSocket::~ClientSocket() throw()
+ {
+ }
+
+bool akg::ClientSocket::open(const char *serverHost,int serverPort) throw()
+ {
+
+ close();
+ savedErrno=0;
+
+ if(createTcpSocket() == false) return false;
+
+ struct hostent *hostinfo=gethostbyname(serverHost);
+ if(hostinfo==NULL)
+ { saveErrno();return false;
+ }
+
+ sockaddr_in internetAddress;
+
+ internetAddress.sin_family = AF_INET;
+ internetAddress.sin_port = htons(serverPort);
+ internetAddress.sin_addr = *(struct in_addr*)hostinfo->h_addr;
+
+ if(connect(fileDescriptor,(struct sockaddr*)&internetAddress,sizeof(sockaddr_in)) < 0)
+ { saveErrno();return false;
+ }
+ return true;
+ }
+